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* Patch by Steven Scholz, 10 Oct 2003

Browse Source 
- Add support for Altera FPGA ACEX1K

* Patches by Thomas Lange, 09 Oct 2003:
  - Endian swap ATA identity for all big endian CPUs, not just PPC
  - MIPS only: New option CONFIG_MEMSIZE_IN_BYTES for passing memsize
    args to linux
  - add support for dbau1x00 board (MIPS32)
This commit is contained in:
wdenk
2003-10-09 20:09:04 +00:00
parent 15647dc7fd
commit 5da627a424
31 changed files with 2942 additions and 249 deletions
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368
lib_mips/mips_linux.c
View File

@@ -53,225 +53,233 @@ static void linux_params_init (ulong start, char * commandline);
static void linux_env_set (char * env_name, char * env_val);
void do_bootm_linux(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong *len_ptr, int verify)
void do_bootm_linux (cmd_tbl_t * cmdtp, int flag, int argc, char *argv[],
ulong addr, ulong * len_ptr, int verify)
{
DECLARE_GLOBAL_DATA_PTR;
DECLARE_GLOBAL_DATA_PTR;
ulong len = 0, checksum;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel)(int, char **, char **, int *);
image_header_t *hdr = &header;
char *commandline = getenv("bootargs");
char env_buf[12];
ulong len = 0, checksum;
ulong initrd_start, initrd_end;
ulong data;
void (*theKernel) (int, char **, char **, int *);
image_header_t *hdr = &header;
char *commandline = getenv ("bootargs");
char env_buf[12];
theKernel = (void (*)(int, char **, char **, int *))ntohl(hdr->ih_ep);
/*
* Check if there is an initrd image
*/
if (argc >= 3) {
SHOW_BOOT_PROGRESS (9);
addr = simple_strtoul(argv[2], NULL, 16);
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
memcpy (&header, (char *)addr, sizeof(image_header_t));
if (ntohl(hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-10);
do_reset (cmdtp, flag, argc, argv);
}
data = (ulong)&header;
len = sizeof(image_header_t);
checksum = ntohl(hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *)data, len) != checksum) {
printf ("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS (-11);
do_reset (cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS (10);
print_image_hdr (hdr);
data = addr + sizeof(image_header_t);
len = ntohl(hdr->ih_size);
if (verify) {
ulong csum = 0;
printf (" Verifying Checksum ... ");
csum = crc32 (0, (char *)data, len);
if (csum != ntohl(hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
SHOW_BOOT_PROGRESS (-12);
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
SHOW_BOOT_PROGRESS (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_MIPS) ||
(hdr->ih_type != IH_TYPE_RAMDISK) ) {
printf ("No Linux MIPS Ramdisk Image\n");
SHOW_BOOT_PROGRESS (-13);
do_reset (cmdtp, flag, argc, argv);
}
theKernel =
(void (*)(int, char **, char **, int *)) ntohl (hdr->ih_ep);
/*
* Now check if we have a multifile image
* Check if there is an initrd image
*/
} else if ((hdr->ih_type==IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl(len_ptr[0]) % 4;
int i;
if (argc >= 3) {
SHOW_BOOT_PROGRESS (9);
SHOW_BOOT_PROGRESS (13);
addr = simple_strtoul (argv[2], NULL, 16);
/* skip kernel length and terminator */
data = (ulong)(&len_ptr[2]);
/* skip any additional image length fields */
for (i=1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl(len_ptr[0]);
if (tail) {
data += 4 - tail;
printf ("## Loading Ramdisk Image at %08lx ...\n", addr);
/* Copy header so we can blank CRC field for re-calculation */
memcpy (&header, (char *) addr, sizeof (image_header_t));
if (ntohl (hdr->ih_magic) != IH_MAGIC) {
printf ("Bad Magic Number\n");
SHOW_BOOT_PROGRESS (-10);
do_reset (cmdtp, flag, argc, argv);
}
data = (ulong) & header;
len = sizeof (image_header_t);
checksum = ntohl (hdr->ih_hcrc);
hdr->ih_hcrc = 0;
if (crc32 (0, (char *) data, len) != checksum) {
printf ("Bad Header Checksum\n");
SHOW_BOOT_PROGRESS (-11);
do_reset (cmdtp, flag, argc, argv);
}
SHOW_BOOT_PROGRESS (10);
print_image_hdr (hdr);
data = addr + sizeof (image_header_t);
len = ntohl (hdr->ih_size);
if (verify) {
ulong csum = 0;
printf (" Verifying Checksum ... ");
csum = crc32 (0, (char *) data, len);
if (csum != ntohl (hdr->ih_dcrc)) {
printf ("Bad Data CRC\n");
SHOW_BOOT_PROGRESS (-12);
do_reset (cmdtp, flag, argc, argv);
}
printf ("OK\n");
}
SHOW_BOOT_PROGRESS (11);
if ((hdr->ih_os != IH_OS_LINUX) ||
(hdr->ih_arch != IH_CPU_MIPS) ||
(hdr->ih_type != IH_TYPE_RAMDISK)) {
printf ("No Linux MIPS Ramdisk Image\n");
SHOW_BOOT_PROGRESS (-13);
do_reset (cmdtp, flag, argc, argv);
}
/*
* Now check if we have a multifile image
*/
} else if ((hdr->ih_type == IH_TYPE_MULTI) && (len_ptr[1])) {
ulong tail = ntohl (len_ptr[0]) % 4;
int i;
SHOW_BOOT_PROGRESS (13);
/* skip kernel length and terminator */
data = (ulong) (&len_ptr[2]);
/* skip any additional image length fields */
for (i = 1; len_ptr[i]; ++i)
data += 4;
/* add kernel length, and align */
data += ntohl (len_ptr[0]);
if (tail) {
data += 4 - tail;
}
len = ntohl (len_ptr[1]);
} else {
/*
* no initrd image
*/
SHOW_BOOT_PROGRESS (14);
data = 0;
}
len = ntohl(len_ptr[1]);
} else {
/*
* no initrd image
*/
SHOW_BOOT_PROGRESS (14);
data = 0;
}
#ifdef DEBUG
if (!data) {
printf ("No initrd\n");
}
if (!data) {
printf ("No initrd\n");
}
#endif
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
if (data) {
initrd_start = data;
initrd_end = initrd_start + len;
} else {
initrd_start = 0;
initrd_end = 0;
}
SHOW_BOOT_PROGRESS (15);
SHOW_BOOT_PROGRESS (15);
#ifdef DEBUG
printf ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong)theKernel);
printf ("## Transferring control to Linux (at address %08lx) ...\n",
(ulong) theKernel);
#endif
linux_params_init (PHYSADDR(gd->bd->bi_boot_params), commandline);
linux_params_init (PHYSADDR (gd->bd->bi_boot_params), commandline);
sprintf (env_buf, "%lu", gd->ram_size >> 20);
linux_env_set ("memsize", env_buf);
#ifdef CONFIG_MEMSIZE_IN_BYTES
sprintf (env_buf, "%lu", gd->ram_size);
#ifdef DEBUG
printf ("## Giving linux memsize in bytes, %lu\n", gd->ram_size);
#endif
#else
sprintf (env_buf, "%lu", gd->ram_size >> 20);
#ifdef DEBUG
printf ("## Giving linux memsize in MB, %lu\n", gd->ram_size >> 20);
#endif
#endif /* CONFIG_MEMSIZE_IN_BYTES */
sprintf (env_buf, "0x%08X", (uint)PHYSADDR(initrd_start));
linux_env_set ("initrd_start", env_buf);
linux_env_set ("memsize", env_buf);
sprintf (env_buf, "0x%X", (uint)(initrd_end - initrd_start));
linux_env_set ("initrd_size", env_buf);
sprintf (env_buf, "0x%08X", (uint) PHYSADDR (initrd_start));
linux_env_set ("initrd_start", env_buf);
sprintf (env_buf, "0x%08X", (uint)(gd->bd->bi_flashstart));
linux_env_set ("flash_start", env_buf);
sprintf (env_buf, "0x%X", (uint) (initrd_end - initrd_start));
linux_env_set ("initrd_size", env_buf);
sprintf (env_buf, "0x%X", (uint)(gd->bd->bi_flashsize));
linux_env_set ("flash_size", env_buf);
sprintf (env_buf, "0x%08X", (uint) (gd->bd->bi_flashstart));
linux_env_set ("flash_start", env_buf);
/* we assume that the kernel is in place */
printf("\nStarting kernel ...\n\n");
sprintf (env_buf, "0x%X", (uint) (gd->bd->bi_flashsize));
linux_env_set ("flash_size", env_buf);
theKernel(linux_argc, linux_argv, linux_env, 0);
/* we assume that the kernel is in place */
printf ("\nStarting kernel ...\n\n");
theKernel (linux_argc, linux_argv, linux_env, 0);
}
static void linux_params_init (ulong start, char * line)
static void linux_params_init (ulong start, char *line)
{
char * next, * quote, * argp;
char *next, *quote, *argp;
linux_argc = 1;
linux_argv = (char **) start;
linux_argv[0] = 0;
argp = (char *)(linux_argv + LINUX_MAX_ARGS);
linux_argc = 1;
linux_argv = (char **) start;
linux_argv[0] = 0;
argp = (char *) (linux_argv + LINUX_MAX_ARGS);
next = line;
next = line;
while (line && *line && linux_argc < LINUX_MAX_ARGS)
{
quote = strchr (line, '"');
next = strchr (line, ' ');
while (line && *line && linux_argc < LINUX_MAX_ARGS) {
quote = strchr (line, '"');
next = strchr (line, ' ');
while (next != NULL && quote != NULL && quote < next)
{
/* we found a left quote before the next blank
* now we have to find the matching right quote
*/
next = strchr (quote + 1, '"');
if (next != NULL)
{
quote = strchr (next + 1, '"');
next = strchr (next + 1, ' ');
}
while (next != NULL && quote != NULL && quote < next) {
/* we found a left quote before the next blank
* now we have to find the matching right quote
*/
next = strchr (quote + 1, '"');
if (next != NULL) {
quote = strchr (next + 1, '"');
next = strchr (next + 1, ' ');
}
}
if (next == NULL) {
next = line + strlen (line);
}
linux_argv[linux_argc] = argp;
memcpy (argp, line, next - line);
argp[next - line] = 0;
argp += next - line + 1;
linux_argc++;
if (*next)
next++;
line = next;
}
if (next == NULL)
{
next = line + strlen (line);
}
linux_argv [linux_argc] = argp;
memcpy (argp, line, next - line);
argp [next - line] = 0;
argp += next - line + 1;
linux_argc ++;
if (*next) next ++;
line = next;
}
linux_env = (char **)(((ulong)argp + 15) & ~15);
linux_env [0] = 0;
linux_env_p = (char *)(linux_env + LINUX_MAX_ENVS);
linux_env_idx = 0;
linux_env = (char **) (((ulong) argp + 15) & ~15);
linux_env[0] = 0;
linux_env_p = (char *) (linux_env + LINUX_MAX_ENVS);
linux_env_idx = 0;
}
static void linux_env_set (char * env_name, char * env_val)
static void linux_env_set (char *env_name, char *env_val)
{
if (linux_env_idx < LINUX_MAX_ENVS - 1)
{
linux_env [linux_env_idx] = linux_env_p;
if (linux_env_idx < LINUX_MAX_ENVS - 1) {
linux_env[linux_env_idx] = linux_env_p;
strcpy (linux_env_p, env_name);
linux_env_p += strlen (env_name);
strcpy (linux_env_p, env_name);
linux_env_p += strlen (env_name);
strcpy (linux_env_p, "=");
linux_env_p += 1;
strcpy (linux_env_p, "=");
linux_env_p += 1;
strcpy (linux_env_p, env_val);
linux_env_p += strlen (env_val);
strcpy (linux_env_p, env_val);
linux_env_p += strlen (env_val);
linux_env_p ++;
linux_env [++ linux_env_idx] = 0;
}
linux_env_p++;
linux_env[++linux_env_idx] = 0;
}
}